Patent US2808340A successfully refreshed from Google Patents.
US2808340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coating nonfibrous organic sheet material
Assignee: EIDP Inc
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Filing: 1955-04-05
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Granted: 1957-10-01
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Expires: 1975-04-05
Abstract
No abstract record available.
Inventors
- 👤 Learn Clyde George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:50
CPC Classifications
B; B05; B05D; B05D3/00; B05D3/04; B05D3/0466; B05D3/0473; B05C; B05C9/00; B05C9/08; B05C9/14; B05D1/00; B05D1/18; B05D7/00; B05D7/02; B05D7/04; B05D1/40; B05D1/42; B05D2252/00; B05D2252/02; B05D3/02; B05D3/0218; B05D3/0254
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A PROCESS FOR COATING A NONFIBROUS ORGNAIC SHEET MATERIAL SELECTED FROM THE GROUP CONSISTING OF REGENERATED CELLULOSE, POLYESTER AND CELLULOSE ESTER FILMS WITH A FILMFORMING COMPOSITION SELCTED FROM THE GROUP CONSISTING OF POLYETHYLENE, NITROCELLULOSE CELLULOSE ACETATE AND VINYLIDENE CHLORIDE COPOPYMER COMPOSITIONS WHICH COMPRISES THE SUCCESSIVE STEPS OF HEATING THE SHEET MATERIAL; EXPOSING THE SHEET MATERIAL TO AN ATMOSPHERE CONTAINING VAPOR OF AN ORGANIC SOLVENT FOR THE FILM-FORMING COMPOSITION TO RAISE THSE TEMPERATURE OF SHEET MATERIAL TO WITHIN 10*C. OF THE TEMPERATURE OF THE SOLUTION OF THE FILM-FORMING COMPOSITION, SAID SOLVENT HAVING A PREFERENTIAL SOLVENT ACTION ON SAID FILM-FORMING COMPOSITION; DIPPING THE SHEET MATERIAL INTO THE SOLUTION OF THE FILMFORMING COMPOSITION; REMOVING EXCESS SOLUTION OF THE FILMFORMING COMPOSITION FROM THE SURFACE OF THE SHEET MATERIAL; EXPOSING THE COATED SHEET MATERIAL TO AN ATMOSPHERE CONTAINING THE VAPOR OF THE SSOLVENT FOR THE FILMFORMING COMPOSITION TO MAINTAIN THE COATED SHEET MATERIAL AT A TEMPERATURE WITHIN 10*C. OF THE TEMPERATURE OF THE SOLUTION OF THE FLIM-FORMING COMPOSITION FOR A PERIOD AT LEAST EQUAL TO THE PERIOD OF DIPPING; DRYING THE COATED SHEET MATERIAL; AND HUMIDIFYING THE DIRED, COATED SHEET MATERIAL.
Claim 2
Dependent Claim
186 words
A PROCESS FOR COATING A NONFIBROUS ORGNAIC SHEET MATERIAL SELECTED FROM THE GROUP CONSISTING OF REGENERATED CELLULOSE, POLYESTER AND CELLULOSE ESTER FILMS WITH A FILMFORMING COMPOSITION SELCTED FROM THE GROUP CONSISTING OF POLYETHYLENE, NITROCELLULOSE CELLULOSE ACETATE AND VINYLIDENE CHLORIDE COPOPYMER COMPOSITIONS WHICH COMPRISES THE SUCCESSIVE STEPS OF HEATING THE SHEET MATERIAL; EXPOSING THE SHEET MATERIAL TO AN ATMOSPHERE CONTAINING VAPOR OF AN ORGANIC SOLVENT FOR THE FILM-FORMING COMPOSITION TO RAISE THSE TEMPERATURE OF SHEET MATERIAL TO WITHIN 10*C. OF THE TEMPERATURE OF THE SOLUTION OF THE FILM-FORMING COMPOSITION, SAID SOLVENT HAVING A PREFERENTIAL SOLVENT ACTION ON SAID FILM-FORMING COMPOSITION; DIPPING THE SHEET MATERIAL INTO THE SOLUTION OF THE FILMFORMING COMPOSITION; REMOVING EXCESS SOLUTION OF THE FILMFORMING COMPOSITION FROM THE SURFACE OF THE SHEET MATERIAL; EXPOSING THE COATED SHEET MATERIAL TO AN ATMOSPHERE CONTAINING THE VAPOR OF THE SSOLVENT FOR THE FILMFORMING COMPOSITION TO MAINTAIN THE COATED SHEET MATERIAL AT A TEMPERATURE WITHIN 10*C. OF THE TEMPERATURE OF THE SOLUTION OF THE FLIM-FORMING COMPOSITION FOR A PERIOD AT LEAST EQUAL TO THE PERIOD OF DIPPING; DRYING THE COATED SHEET MATERIAL; AND HUMIDIFYING THE DIRED, COATED SHEET MATERIAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |